class_docstr: Most tests done in the base class LinearOperatorDerivedClassTest.
code: def setUp(self):
      self.tf32_keep_ = config.tensor_float_32_execution_enabled()
      config.enable_tensor_float_32_execution(False)
      self._atol[dtypes.complex64] = 1e-5
      self._rtol[dtypes.complex64] = 1e-5
  
imports: import numpy
  from tensorflow.python.framework import config
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.ops.linalg import linalg
  from tensorflow.python.ops.linalg import linear_operator_adjoint
  from tensorflow.python.ops.linalg import linear_operator_test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the LinearOperatorAdjointTest obj's underlying member method code with example usage: obj.setUp() without return types